21544100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:102

約数の個数: 144

約数和(自身を含む): 56246400

約数和(自身を除く): 34702300

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 23, 25, 29, 34, 38, 46, 50, 58, 68, 76, 85, 92, 95, 100, 115, 116, 145, 170, 190, 230, 290, 323, 340, 380, 391, 425, 437, 460, 475, 493, 551, 575, 580, 646, 667, 725, 782, 850, 874, 950, 986, 1102, 1150, 1292, 1334, 1450, 1564, 1615, 1700, 1748, 1900, 1955, 1972, 2185, 2204, 2300, 2465, 2668, 2755, 2900, 3230, 3335, 3910, 4370, 4930, 5510, 6460, 6670, 7429, 7820, 8075, 8740, 9367, 9775, 9860, 10925, 11020, 11339, 12325, 12673, 13340, 13775, 14858, 16150, 16675, 18734, 19550, 21850, 22678, 24650, 25346, 27550, 29716, 32300, 33350, 37145, 37468, 39100, 43700, 45356, 46835, 49300, 50692, 55100, 56695, 63365, 66700, 74290, 93670, 113390, 126730, 148580, 185725, 187340, 215441, 226780, 234175, 253460, 283475, 316825, 371450, 430882, 468350, 566950, 633650, 742900, 861764, 936700, 1077205, 1133900, 1267300, 2154410, 4308820, 5386025, 10772050, 21544100]

約数ペア:

[(1, 21544100), (2, 10772050), (4, 5386025), (5, 4308820), (10, 2154410), (17, 1267300), (19, 1133900), (20, 1077205), (23, 936700), (25, 861764), (29, 742900), (34, 633650), (38, 566950), (46, 468350), (50, 430882), (58, 371450), (68, 316825), (76, 283475), (85, 253460), (92, 234175), (95, 226780), (100, 215441), (115, 187340), (116, 185725), (145, 148580), (170, 126730), (190, 113390), (230, 93670), (290, 74290), (323, 66700), (340, 63365), (380, 56695), (391, 55100), (425, 50692), (437, 49300), (460, 46835), (475, 45356), (493, 43700), (551, 39100), (575, 37468), (580, 37145), (646, 33350), (667, 32300), (725, 29716), (782, 27550), (850, 25346), (874, 24650), (950, 22678), (986, 21850), (1102, 19550), (1150, 18734), (1292, 16675), (1334, 16150), (1450, 14858), (1564, 13775), (1615, 13340), (1700, 12673), (1748, 12325), (1900, 11339), (1955, 11020), (1972, 10925), (2185, 9860), (2204, 9775), (2300, 9367), (2465, 8740), (2668, 8075), (2755, 7820), (2900, 7429), (3230, 6670), (3335, 6460), (3910, 5510), (4370, 4930)]